Perhaps you should try some spelling variations:
"literatura maria _ islam." » "literatura america _ islam.", "literatura memoria _ islam.", "literatura musica _ islam."
"literatura de en isaac." » "literatura de e isaac.", "literatura de de isaac.", "literatura de _ isaac.", "literatura de un isaac.", "literatura de el isaac.", "literatura fe en isaac."
"literatura as al islam." » "literatura as el islam.", "literatura as del islam.", "literatura as e islam."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de en isaac.") OR ("literatura as al islam."))) OR ("literatura maria _ islam."))~.
• Removing quotes may allow a broader search: (((( literatura de en isaac. ) or ( literatura as al islam. ))) or ( literatura maria _ islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura de en isaac.") or ("literatura as al islam."))) or ("literatura maria _ islam."))*.